using System;

using System.Collections.Generic;

using System.ComponentModel.Composition;

using System.IO;

using System.Linq;

using System.Text;

using System.Threading.Tasks;

using Roslyn.Scripting.CSharp;

using Scriptcs.Contracts;

namespace Scriptcs

{

public class ScriptExecutor : IScriptExecutor

{

private readonly IFileSystem _fileSystem;

[ImportingConstructor]

public ScriptExecutor(IFileSystem fileSystem)

{

_fileSystem = fileSystem;

}

public void Execute(string script, IEnumerable<string> paths, IEnumerable<IScriptcsRecipe> recipes)

{

var engine = new ScriptEngine();

engine.AddReference("System");

engine.AddReference("System.Core");

var bin = _fileSystem.CurrentDirectory + @"\bin";

engine.BaseDirectory = bin;

if (!_fileSystem.DirectoryExists(bin))

_fileSystem.CreateDirectory(bin);

foreach (var file in paths)

{

var destFile = bin + @"\" + Path.GetFileName(file);

var sourceFileLastWriteTime = _fileSystem.GetLastWriteTime(file);

var destFileLastWriteTime = _fileSystem.GetLastWriteTime(destFile);

if (sourceFileLastWriteTime != destFileLastWriteTime)

_fileSystem.Copy(file, destFile,true);

engine.AddReference(destFile);

}

var session = engine.CreateSession();

var csx = _fileSystem.ReadFile(_fileSystem.CurrentDirectory + @"\" + script);

session.Execute(csx);

}

}

}